From: Mimi Zohar <zohar@linux.vnet.ibm.com>
To: Al Viro <viro@ZenIV.linux.org.uk>
Cc: Eric Paris <eparis@parisplace.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Mimi Zohar <zohar@us.ibm.com>,
linux-security-module@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] vfs: fix IMA lockdep circular locking dependency
Date: Wed, 30 May 2012 16:33:36 -0400 [thread overview]
Message-ID: <1338410016.2659.6.camel@falcor.watson.ibm.com> (raw)
In-Reply-To: <20120530202427.GW11775@ZenIV.linux.org.uk>
On Wed, 2012-05-30 at 21:24 +0100, Al Viro wrote:
> On Wed, May 30, 2012 at 03:42:47PM -0400, Eric Paris wrote:
> > security_file_mmap() would pretty much only be used in do_mmap_pgoff()
> > (or validate_mmap_request)
>
> Callers, actually - the whole point is to lift it out of under ->mmap_sem.
> The tricky part is reqprot vs. prot mess.
Linus already addressed it in the original patch, which I split into two
as you suggested:
733559f - "security: move security_file_mmap() and rename to security_mmap_file()"
b3649e9 security: define and use the new security_mmap_addr() hook
git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity.
Mimi
next prev parent reply other threads:[~2012-05-30 20:35 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-14 2:47 [PATCH] vfs: fix IMA lockdep circular locking dependency Mimi Zohar
2012-05-15 0:29 ` James Morris
2012-05-15 0:51 ` Mimi Zohar
2012-05-15 15:14 ` James Morris
2012-05-15 16:06 ` Mimi Zohar
2012-05-15 17:19 ` Linus Torvalds
2012-05-15 18:36 ` Mimi Zohar
2012-05-15 18:41 ` Linus Torvalds
2012-05-15 19:42 ` Eric Paris
2012-05-15 20:07 ` Mimi Zohar
2012-05-15 21:43 ` Linus Torvalds
2012-05-16 0:37 ` Linus Torvalds
2012-05-16 0:42 ` Al Viro
2012-05-16 0:45 ` Linus Torvalds
2012-05-16 1:53 ` Linus Torvalds
2012-05-16 11:37 ` James Morris
2012-05-16 11:38 ` James Morris
2012-05-16 13:27 ` Mimi Zohar
2012-05-16 13:42 ` Eric Paris
2012-05-16 13:52 ` Mimi Zohar
2012-05-16 14:06 ` Eric Paris
2012-05-16 15:23 ` Linus Torvalds
2012-05-16 15:47 ` Mimi Zohar
2012-05-16 16:09 ` Linus Torvalds
2012-05-16 2:18 ` Al Viro
2012-05-23 21:18 ` Mimi Zohar
2012-05-30 4:34 ` Al Viro
2012-05-30 16:36 ` Al Viro
2012-05-30 19:42 ` Eric Paris
2012-05-30 20:24 ` Al Viro
2012-05-30 20:28 ` Linus Torvalds
2012-05-30 20:56 ` Al Viro
2012-05-30 21:04 ` Linus Torvalds
2012-05-30 21:36 ` Al Viro
2012-05-30 22:51 ` Linus Torvalds
2012-05-31 0:28 ` Al Viro
2012-05-31 0:40 ` Linus Torvalds
2012-05-31 0:56 ` Al Viro
2012-05-31 3:55 ` Mimi Zohar
2012-05-31 4:20 ` James Morris
2012-05-30 20:33 ` Mimi Zohar [this message]
2012-05-30 20:53 ` Al Viro
2012-05-16 14:13 ` Eric Paris
2012-05-16 15:13 ` Linus Torvalds
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